Question

A path 2 m wide runs around the inside of a square field of side 20 m find the area of the path

Answer 1

20+2=22
and 20+2=22
ar. of a square =22*22=484 m^2

Answer 2

area of the field = 20×20=400m
area of the field that runs outside =20+2=22m
22 ×22=484 m
area of the path =484-400 =84 m